0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

Look at the diagram which shows electrolysis of water and answer the following questions.
What is produced at negative carbon electrode (cathode) ?
285712_6843d23bdf4f46be98c5f079ff5b7fc1.png
  1. Hydrogen
  2. Oxygen
  3. Carbon dioxide
  4. None of these

A
None of these
B
Hydrogen
C
Oxygen
D
Carbon dioxide
Solution
Verified by Toppr

H+, being positive ion, move toward the negative electrode (cathode) and gets reduced at the negative electrode to produce hydrogen gas (H2).

Was this answer helpful?
0
Similar Questions
Q1
Look at the diagram which shows electrolysis of water and answer the following questions.
What is produced at negative carbon electrode (cathode) ?
285712_6843d23bdf4f46be98c5f079ff5b7fc1.png
View Solution
Q2
Look at the diagram which shows electrolysis of water and answer the following questions.
What is produced at positive carbon electrode (anode) ?
285710_2405d2add48f4afca12b8f4dedc8d156.png
View Solution
Q3
Look at the diagram which shows electrolysis of water and answer the following questions.
What is produced at B is the .......... electrode called .......... which is connected to the ........... terminal of the battery.
285705_1340a6effbd04f69a28ef6876c15f8a5.png
View Solution
Q4
Look at the diagram which shows electrolysis of water and answer the following questions.
What substances are the electrodes made of?
285690_12987b30fefc49d59f516bdb728fb095.png
View Solution
Q5

Which of the following statements are correct?

a) The electrolysis of aqueous NaCl produces hydrogen gas at the cathode and chlorine gas at the anode .

b) The electrolysis of a CuSO4 solution using Pt electrodes causes the liberation of O2 at the anode and the deposition of copper at the cathode .

c) Oxygen and hydrogen are produced at the anode and cathode during the electrolysis of dilute aqueous solution of H2SO4 .

d) All electrolytic reactions are redox reactions .


View Solution